Answer:
the tooth brush was invented in the 15th century
Answer:
That man is no longer Kevin's dad
Small pox was a huge problem during the pre revolutionary war erra but was not successfully araticated until the late 70s, it was wiped out because people where vacinated at a very young age. so the answer is B The smallpox vaccine was given for a long time and the disease no longer exists.
The expression "her heart was throbbing" implies that her heart was ultimately beating or pounding. It is to beat rapidly or violently. In simpler words, it just means that her heart was beating fast due to an emotional outburst. Hope this answers your question. Have a great day!